• gschem to pcb tutorial, by Bill Wilson.
• gschem warmup, by Bill Willson.
• gschem Symbol and PCB Element Transistor Guide, by Bill Willson.
• PCB tutorial, by DJ Delorie.
• ngspice and gschem
• tragesym tutorial on how to create symbols with the tragesym script.
• Scripting a gnetlist backend in scheme by John Doty.

• gschem User's Guide
• Symbol Creation Guide

• gnetlist User's Guide
• Circuit Simulation using gEDA and SPICE - HOWTO
• net= attribute mini-HOWTO
• Switcap Symbols and Netlister
• Switcap netlister README
• Forward/Backward Annotation Between gEDA and Pads PowerPCB
• gEDA RF Cascade Symbols and Netlister
• Bill of Material netlister README
• Verilog netlister README
• VHDL netlister README
• VAMS netlister README
• SystemC netlister README
• Eagle PCB netlister README

• gsymcheck man-page

• gsch2pcb (gschem to PCB) README
• gsch2pcb tutorial
• tragesym (symbol generator) README
• tragesym Tutorial
• olib (OrCAD (TM) converter) README
• grenum man-page – note
• gattrib README – note

• Hierarchical SPICE model – note
• Example USB-based JTAG interface – note

• Master Attributes List
• sym/sch File Format Specification

• Implicit Mixed-Mode Simulation of VLSI Circuits by Albert Tatum Davis (1991)
  Please report if this URL goes dead.
• Circuit Simulation using gEDA and SPICE - HOWTO
  The original versions of the document are available at:
  • Circuit Simulation using gEDA and SPICE - HOWTO (HTML version)
    by Stuart Brorson (20 December 2004).
    Please report if this URL is not the latest version.
  • Circuit Simulation using gEDA and SPICE - HOWTO (PDF version)
    by Stuart Brorson (5 January 2005).

• ngspice User Manual
• ngspice man-page – note
• ngnutmeg man-page – note
• ngsconvert man-page – note

• The Gnu Circuit Analysis Package Users manual – January 21,2004 version
• The Gnucap Model Compiler

• Please look inside the gSpiceUI tarball for documentation

• The pcb FAQ: faq-pcb
• The official manual of pcb
• A very detailed manual on footprint creation by Stephen Meier and Stuart Brorson. It also covers most of the syntax of the *.pcb format. The document refers to the 2007 version of pcb.
• The man-page of pcb

• gerbv man-page
• Searching for Parts and marking them on screen (in gerbv)

• Getting Started with Icarus Verilog
• Icarus Verilog Mini How To
• Icarus Verilog compiler man-page
• Compile front end for VPI modules man-page
• Icarus Verilog vvp runtime engine man-page
• The Icarus Verilog Compilation System
• FPGA Loadable Code Generator for Icarus Verilog
• Xilinx Hints
• Xilinx Netlist Format
• Icarus Verilog vs. IEEE1364
• Icarus Attribute Naming Conventions
• Icarus Verilog Extensions
• Icarus Verilog Glossary
• Executable Instruction Opcodes
• VPI_within_VVP
• VVP Simulation Engine

GTKWave is a wave viewer which reads LXT, LXT2, VZT, FST, and GHW files as well as standard Verilog VCD/EVCD files.

• GTKWave home page

• wcalc Home Page
• Wcalc README
• Wcalc man-page
• stdio Wcalc man-page

• Microstrip Analysis/Synthesis Calculator – latest documentation from sourceforge
• mcalc README

• covered User Manual – link to latest covered documentation on sourceforge
• covered Report Viewer – available in the Help menu of the GUI report utility
• covered man-page

New features are available for document authors:

• Syntax features
• Installed plugins
• Style Guide – A work in progress, please contribute